Odpowiedzi

2010-02-10T23:58:37+01:00
A = x
b = x + 6 = 58
Obw. = 52
2x + 2× ( x + 6) = 52
2x + 2x + 12 = 52
4x = 52 - 12
4x = 40÷4
x = 10
a = 10 cm
b = 10 cm + 6 cm = 16 cm
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